Average Co-Inventor Count = 4.57
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Usg Interiors, Inc. (4 from 278 patents)
4 patents:
1. 9909312 - Free span ceiling grid system
2. 9663948 - Free span ceiling grid system
3. 9255403 - Free span ceiling grid system
4. 9200441 - Seismic wall support for suspended grid